This taxon name is current. The available references for this name are:
Ipomoea sp. Napier Range (R.L. Barrett et al. RLB 2186 A) is an informal synonym.
Reason: See R.L. Barrett in Nuytsia 27:290 (2016)
See also: A longer explanation of these and other terms in our Plant Names Primer.
A taxon name which is no longer current will retain its ‘Threatened’ status until publication of the next Threatened Flora - Rare Flora Notice.